Top 10 AI Detector Tools in 2024 – A Complete Guide

The development of advanced technology nowadays blurs between content created by humans and AI. Therefore, a concern is raising is verifying the authenticity of content. Especially when AI writing tools are increasingly sophisticated much more than ever before, this will be a worry to educators and writers or anyone who usually consumes information from the internet.

Fortunately, there is a solution, and that is in the AI detector tool. Such innovative programs can help to analyze the text to identify whether the content was probably created by artificial intelligence or not. This article is going to be your complete guide through the Top 10 AI Detector Tools in 2024. Just keep reading and get the best tool to ensure the authenticity of the information you come across.

What Is An AI Detector Tool?

The AI detector tools are designed to spot and distinguish between what has been generated by artificial intelligence from what created by humans. These tools assume huge importance at times when text, images, and other kinds of AI-generated content become inductively sophisticated and extremely common.

List Of Top 10 AI Detector Tools In 2024

There are so many AI detector tools out there that can make you need clarification. If you want to find one, you can consider some main factors below:

  • Interpretability (Tools can detect AI content from many LLMs, and differentiate between human, AI, and mixed content)
  • Extra features (Plagiarism checker, Chrome extension, readability score, etc)

Pricing

And the list of 10 AI Detector tools we provide in the next part will analyze all those things for you. Depending on your usage purpose and budget, you can pick up the one that is most suitable for you. 

Originality.AI

InterpretabilityAI & Original
Detect modelsChatGPT, GPT-3 and GPT-3.5
PricingFree trial plan, limit 300 words/ scan, 3 scans/ dayPay As You Go:$30 one-time for 3000 creditsPro plan: $12.45/ month for 2000 creditsEnterprise: $179/ month for 15,000 credits
Extra featuresPlagiarism checkerFact checkerReadability checker
Chrome extensionAvailable
Originality AI Detector Tool for free with limited 3 scans per day

To use the tool, you need to sign up first. Paste your text, URLs, or file and click the “Scan Now” button. You can select  “Detect AI”, “Check Plagiarism & Readability”, and “Fact Checking Aid” depending on your purpose. You will also see how many credits will be spent for the scan. The result you receive will include the AI detection score & plagiarism score. Keep in mind that 100% human-written articles will not always mean that they are free from plagiarism. So, the given result is really helpful and saves you time, especially for users who are content creators or educators. 

GPTZero

InterpretabilityAI & Human & Mixed
Detect modelsGPT-3, GPT-4, Claude, Gemini, and Llama 
PricingFree (10,000 words/month)Essential ($15/month) – 150,000 wordsPremium ($24/month) – 300,000 wordsProfessional ($35/month) – 500,000 words
Language support15 languages (English, Russian, Spanish, Turkish, Italian, French, German, Portuguese, Dutch, Chinese Traditional, Chinese Simplified, Greek, Polish, Vietnamese, Japanese, Persian)
Extra featuresPlagiarism checkerWriting & grammar feedback
Chrome extensionAvailable 

The first you will love about this tool is that you don’t need to sign up to use it for free. Just paste your text or upload the files, click “Check origin” and you will receive it in no time. The tool will highlight the sentences that are likely written by AI. 

GPTZero AI detector tool supports up to 15 languages

The result will also let you know how many percent of your text is written by AI, human, or mixed. You will appreciate the confident classification that the tool provides. A deep learning model is trained based on a vast database of AI and human-written documents. The green scores show that the result is confident. In contrast, red scores mean that you should take caution with accuracy. This is because the input text is not similar to those in the training database, which can affect the tool’s accuracy.

If you want to take a deep scan, you need to upgrade your account to premium. A deep scan will give you a detailed understanding of results with color-coded highlights for writings produced by AI and Humans. Besides, you also get a great statistical analysis of how each sentence will affect AI probabilities exactly.

Scribbr

InterpretabilityAI-generated
Detect modelsChatGPT, GPT-3, GPT-4, Google Bard
PricingFree 
Language supportEnglish
Extra featuresPlagiarism checkerAI proofreader
Chrome extensionNot Available

Scribbr is one of the top 10 AI detector tools and has a very simple and easy-to-use interface. Paste the text you want to detect AI, hit the button “Analyze Text” and your results will be in 1 second. You will know how many percent of your input is generated by AI. You should input between 25 and 500 words for the best result.

Scribbr AI detector tool is free for basic use

If you want to use the plagiarism check feature, you will need to buy a monthly subscription. Here are the prices:

  • Small document: $19.95/ month – up to 7,500 words
  • Normal document: $29.95/ month – 7,500-50,000 words
  • Large document: $39.95 – 50,000+ words

QuillBot

InterpretabilityAI, AI-generated & paraphrasedHuman-written, Human-written & paraphrased
Detect modelsChatGPT, GPT-4, Google Gemini
PricingFree 
Language supportEnglish, Spanish, German & French
Extra featuresPlagiarism checkerParaphrasing toolGrammar checkerSummarizerTranslatorCitation Generator
Chrome extensionAvailable

QuillBot allows you to detect AI content in English, Spanish, German, and French. And the good news is that it is free to use the AI Detector feature. Input your text with a maximum of 1,200 words. Click “Analyze text” and see your results.

QuillBot AI detector tool is free to use

QuillBot will analyze the result based on 4 factors: AI, AI-generated & paraphrased; human-written, human-written & paraphrased. Each one will be highlighted with different color shades in the text. If you want to Plagiarism Checker and Paraphraser, you need to upgrade to start. You can try the free trial before deciding to buy the Premium subscription. You can select between Annual ($49.95/yearly), Semi-annual ($39.95/every 6 months), and Monthy ($9.94/ monthly)

Copyleaks

InterpretabilityAI-generated 
Detect modelsChatGPT, GPT-4, Google Gemini, Claude
PricingHave a Free plan (with limited use)Start at $7.99/ month (for 1,200 credits), up to $379.99/ month (for 120,000 credits)
Language supportOver 30 languages (for subscription)
Extra featuresPlagiarism Detector Writing Assistant
Chrome extensionAvailable

You don’t have to sign up for an account to use Copyleaks. Copy and paste your text or article into the tool, hit the “Check” button and there you are! If there is AI-generated content, the tool will show “AI content detected” in red highlight as well as give you the percent of AI probability. In contrast, Copyleaks will show “This is human text”.

Copyleaks AI detector tool is free to use with limited

In case you want to unlock more enhanced features, you can sign up to detect more languages and access other benefits. Copyleaks also offers a Plagiarism Detector which starts at $8.99/ month. You can use it trial to see how it works before any subscription. 

Winston AI

InterpretabilityAI & Human
Detect modelsChatGPT, GPT-4, Google Gemini, Claude
PricingHave a Free plan (2000 credits for 7 days trial)Essential plan: $18/month (80,000 credits)Advanced plan: $29/month (200,000 credits)Elite plan: $49/month (500,000 credits)
Language supportEnglish, German, French, Spanish, Portuguese, Dutch, and Simplified Chinese.
Extra featuresPlagiarism checkerReadability checkerDeepfake & AI Image Detection
Chrome extensionNot Available

After signing up, paste the text or upload your file, click on “Check AI Score” and the tool will do analysis. Winston will highlight the content with Green (for Unlikely AI-generated, or Human-written), Yellow (for Possibility AI-generated), and Red (for Likely AI-generated)

Winston AI detector tool offers a 7-day trial plan

The analysis will give the result of 3 kinds of score: Human Score, Plagiarism, and Readability. This is helpful and time-saving if you have to work with content usually. The pricing plan above will allow you to unlock AI detection, AI image detection, and Plagiarism checker at the same time. You can consider using a yearly subscription for more saving cost. 

Content At Scale 

InterpretabilityAI & Human
Detect modelsChatGPT, GPT-4, Google Gemini, Claude
Pricing$49/month (unlimited scan)
Language supportEnglish
Extra featuresPlagiarism checkerCreating undetectable AI content
Chrome extensionNot Available

You can start by pasting your content, and URL, or uploading a file. Click “Detect AI content” and you will get the result in no second. As you can see in the example below, the analysis is highlighted in red, yellow, and green colors (Just like Winston AI). 

You can subscribe to the Content At Scale AI detector tool for unlimited scan

The thing makes Content At Scale different is that the “Undetectable rewrites” feature. This one will be included in your subscription. With $49 monthly, you can scan AI content unlimited with 25,000 undetectable AI words and a plagiarism checker for free. 

Writer

InterpretabilityHuman written
Detect modelsChatGPT, GPT-3, GPT-4
PricingFreeTeam Plan: $18/month (500,000 words & 5 users)Custom Plan
Language supportEnglish
Extra featuresPlagiarism checkerWriting assistant
Chrome extensionNot Available

Add your text or URLs to the tool, and click “Analyze Text” for the AI detection. The maximum text length is 5,000 words for each scan. The tool will simply show a score of human-generated content (%). A 100% score means that the content is entirely written by humans. If you subscribe to the team plan, you can scan for AI detection up to 500,000 words per month. 

You can use the Writer AI detector tool for free

However, you can use a plagiarism checker with a free account. But if you need a quick scan, Writer is a good choice because you don’t need to sign up to use the tool. 

Undetectable.AI

InterpretabilityAI-generated
Detect modelsChatGPT, GPT-4, Gemini, Claude
PricingFreeStart at $14.99/month for 15,000 wordsFor Business: Custom
Language supportEnglish
Extra featuresAI Humanizer
Chrome extensionNot Available

You can try Undetectable without no sign-up. This is one of the top 10 AI detector tools that is free and worth your try. After inputting the text and hitting the button “Check For AI”, you will get a result quickly. It will let you know if your content is written by AI or not. Green for 100% human, yellow for 50% human, and red for 0% human. The tool also shows you other AI detection likelihoods, such as GPTZero, Writer, Crossplag, Copeleaks, etc. 

Undetectable AI offers Humanizing feature to help you remove AI content

In case you want to remove AI detection, the “Humanize” feature will help. You need to make a subscription to humanize your content. 

Sapling

Detect modelsChatGPT, GPT-3, GPT-4
PricingFreePro plan (for individuals): $25/monthEnterprise plan (for a team): CustomAPI (for developers): Metered 
Language supportEnglish
Extra featuresGrammar checkerAutocompleteRephrase
Chrome extensionAvailable

You need to add at least 50 words to a maximum of 2.500 words for scanning AI content. Just paste your text and the tool will automatically start scanning without hitting a button. The result will show the percentage of “Fake” in your content. 

Sapling is an AI detector tool that offers free & paid plans

The great thing is that Sapling allows you to share the certificate of the AI content detection result. You can copy and share the link provided. And the link will expire after 3 days. 

Bottom Line

In the fast-moving digital environment of 2024, making a distinction between human and AI-generated content has become increasingly critical. The top 10 AI detector tools we’ve explored in this guide stand out for their ability to identify AI content with remarkable precision. Equipped with advanced algorithms, machine learning techniques, and huge datasets, these tools achieve high accuracy in detecting AI content. At the same time, however, do remember that 100% accuracy cannot be achieved, and every tool will have its accuracy level.

Elmer Alasteir

Elmer Alasteir

Elmer Alasteir is an AI Expert and Consultant at Quarule. He has over 10 years of hands-on experience in developing AI solutions for businesses.